P22 Smart Watch Fitness Tracker for Android Phone, Fitness Tracker with Heart Rate and Sleep Monitor, with IP67 Waterproof Pedometer Activity Tracking Black

SKU: GW59.0152

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Hello, we don't sell screen protectors, this watch's screen size is 1.69 inch, you can find them in the market according to this size. ^-^ 
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Hello, the watch can display the message content. Please set the phone to show notifications and notification content first. 
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Hello, unfortunately no, you cannot insert a SIM card in this smartwatch.